Names in green are nicknames. Names in italics are synonyms. Type= a/p, for example, indicates that the plant is grown as an annual in some zones and as a perennial in others. Only representative or most popular species are included within each of the genera listed. For species not listed, select the seed sowing instructions for any species of the same type, i.e. an, ha, hha, bi, bip, or a/p within that genus.
Ecballium elaterium, squirting cucumber, Elaterium cordifolium, Momordica elaterium, Type=a/p, sow @ 70 to 75ºF, 7-14d
Eccremocarpus scaber , Chilean glory flower , ,Type= a/p , , sow @ 60ºF , 21-60d
Echinocystis lobata , wild cucumber , Micrampelis lobata,Type= a/p , sow @ 65 to 70ºF , 5-10d , weedy
Echinops exaltatus, globe thistle,, Type=bi, direct sow outdoors in May, thin to 6", transplant in Sept.
Echium candicans , pride of Madeira , ,Type= bi , , sow @ 70ºF , 21-40d ,
Echium pininana , , ,Type= bi , , sow @ 70ºF , 21-40d ,
Echium plantagineum , salvation jane , ,Type= an , , sow @ 70ºF , 21-40d ,
Echium russicum , , ,Type= bi , , sow @ 70ºF , 21-40d ,
Echium simplex , pride of Tenerife , ,Type= bi , , sow @ 70ºF , 21-40d ,
Echium vulgare , viper's bugloss , E. elegans,Type= bi , , sow @ 70ºF , 21-40d
Echium wildpretii , , E. bourgaeanum ,Type= bi , , sow @ 70ºF , 21-40d ,
Eleusine coracana , ragi , ,Type= an , , sow @ 70ºF , 7-14d ,
Elsholtzia ciliata , crested latesummer mint , ,Type= an , , sow in light @ 68ºF , 14-30d ,
Elsholtzia densa , , ,Type= an , , sow in light @ 68ºF , 14-30d ,
Emilia coccinea , scarlet tasselflower , E. saggitata,Type= an , , sow @ 70ºF , 8-15d
Emmenanthe pendulifera,,, Type=an, direct sow outdoors in Mar., thin to 6"
Epilobium parviflorum , smallflower hairy willowherb , ,Type= a/p , , sow @ 70ºF , 7-14d , invasive weed
Eragrostis tef , teff , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Eragrostis tenella , Japanese lovegrass , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 10-21d ,
Erigeron acer , , ,Type= a/b , , sow @ 70ºF , 7-14d ,
Erigeron karvinskianus , Latin american fleabane , ,Type= a/p , , sow @ 70ºF , 10-20d
Erigeron philadelphicus, marsh fleabane, , Type=bi, , sow 90d @ 39ºF, move to 70ºF for germ., 10-20d, weedy
Erigeron strigosus, daisy fleabane, , Type=bi, , sow 90d @ 39ºF, move to 70ºF for germ., 10-20d, invasive weed, trouble-maker
Eriogonum annuum,,, Type=an, direct sow outdoors in Mar., thin to 12"
Eriophyllum wallacei,,, Type=an, direct sow outdoors in Sept., thin to 2"
Eritrichium nanum , alpine forget-me-not , ,Type= an , , sow @ 70ºF , 7-14d ,
Erodium cicutarium , storksbill , ,Type= an , , sow @ 70ºF , 10-20d , invasive weed
Erodium gruinum , Iranian stork's bill , ,Type= a/b , , sow @ 70ºF , 10-20d
Eryngium foetidum , Culantro , Type = a , sow @ 68ºF , 7 - 14d
Eryngium giganteum , Miss Wilmott's ghost , ,Type= bi , , sow 4 wks @ 68ºF, 6 wks @ 39ºF, germ. @ 53ºF , 10-20d
Eryngium pandanifolium , , ,Type= bi , , sow 4 wks @ 68ºF, 6 wks @ 39ºF, germ. @ 53ºF , 10-20d ,
Erysimum capitatum , sanddune wallflower , E. grandiflorum, Cheiranthus capitatus,Type= bi , , sow @ 68ºF , 10-21d ,
Erysimum cheiri , wormseed mustard , ,Type= an , , sow @ 68ºF , 10-21d ,
Erysimum perofskianum , Afghan erysimum , ,Type= a/p , , sow @ 68ºF , 10-21d ,
Erysimum pumilum , , E. helveticum ,Type= bi , , sow @ 68ºF , 10-21d ,
Erysimum x allionii , Siberian wallflower , ,Type= bi , , sow @ 68ºF , 10-21d ,
Eschscholzia caespitosa , tufted poppy , ,Type= an , , direct sow in fall for spring germ. @ 70ºF , 10-20d , resents transplanting
Eschscholzia californica , California poppy , ,Type= an , , direct sow in fall for spring germ. @ 70ºF , 10-20d , resents transplanting
Eschscholzia mexicana , California poppy , ,Type= an , , direct sow in fall for spring germ. @ 70ºF , 10-20d , resents transplanting
Eucharidium breweri , pink ribbons , Euchardia breweri ,Type= an , , sow @ 70ºF , 7-14d ,
Eucnide bartonioides , yellow stingbush , Mentzelia bartonioides, Microsperma bartonioides,Type= an , , sow @ 60 to 70ºF , 21-3-d
Eupatorium fistulosum , Joe pye weed , ,Type= bi , , sow 4 wks @ 68ºF, 6 wks @ 39º, germ @ 70ºF in light , 10-20d ,
Eupatorium maculatum , spotted joe pye weed , ,Type= bi , , sow 4 wks @ 68ºF, 6 wks @ 39º, germ @ 70ºF in light , 10-20d ,
Euphorbia cyathophora , Mexican fire plant , ,Type= an , , sow @ 70ºF , 7-14d , resents transplanting after 10" high
Euphorbia drummondii , , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Euphorbia helioscopia , madwoman's milk , ,Type= an , , sow @ 70ºF , 7-14d , invasive weed
Euphorbia heterophylla , Mexican fireplant , Poinsettia heterophylla,Type= hha , , sow @ 70ºF , 7-14d
Euphorbia lathyris , gopher spurge, caper spurge , Tithymalus lathyrus,Type= bi , , sow @ 70ºF , 7-14d , invasive weed
Euphorbia marginata , snow on the mountain , E. variegata, Lepadenia marginata,Type= hha , , sow @ 70ºF in situ , 20-30d , resents transplanting
Euphorbia palustris , , ,Type= a/p , , sow @ 70ºF , 7-14d
Euphrasia officinalis, eyebright,, Type=an, direct sow outdoors in Mar., thin to 3"
Euploca convolvulacea,, Heliotropium convolvulaceum, Type=an, sow @ 55 to 60ºF, 7-14d
Eustoma exaltatum , catchfly prairiegentian , ,Type= a/p , , surface sow @ 77ºF in light, grow on @ 60ºF , 10-20d ,
Eustoma grandiflorum , showy prairiegentian , ,Type= a/b , , surface sow @ 77ºF in light, grow on @ 60ºF , 10-20d ,
Eustoma russellianus , lisianthus , Lisianthus russellianum,Type= an , , surface sow @ 77ºF in light, grow on @ 60ºF , 10-20d
Exacum affine , , ,Type= an , , surface sow @ 75ºF in light , 15-20d
Fedia cornucopiae, African valerian, F. scorpioides, Valeriana cornucopiae, Type=an, direct sow outdoors in Mar., thin to 6"
Felicia amoena , , ,Type= a/p , , sow @ 70ºF , 30d
Felicia australis , , ,Type= an , , sow @ 70ºF , 30d ,
Felicia bergeriana , kingfisher daisy , Aster bergerianus,Type= an , , sow @ 70ºF , 30d
Felicia heterophylla , , ,Type= an , , sow @ 70ºF , 30d ,
Felicia minima , , ,Type= an , , sow @ 70ºF , 30d ,
Felicia tenella , , F. fragilis,Type= a/p , , sow @ 70ºF , 30d
Festuca incrassata , , ,Type= an , , sow @ 70ºF , 7-14d
Fibigia clypeata , , ,Type= bi , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 10-21d
Foeniculum vulgare , fennel , ,Type= a/p , , sow @ 70ºF in the dark , 7-14d , weedy
Froelichia Floridana,,, Type=an, direct sow outdoors in Apr., thin to 18"
Fumaria officinalis , fumitory , ,Type= an , , direct sow fresh seed outdoors , variable , invasive weed
Gaillardia amblyodon , maroon blanketflower , ,Type= an , , sow in light @ 70 to 75ºF, reduce temps @ night , 15-20d
Gaillardia pulchella , blanket flower , G. drummondii, G. bicolor,Type= an , , sow in light @ 70 to 75ºF, reduce temps @ night , 15-20d
Galactites tomentosa,,, Type=bi, direct sow outdoors in Sept., thin to 18"
Gamolepis tagetes,,G. annua, Type=an, sow @ 60 to 65ºF, grow on a bit cooler
Gaura biennis , biennial gaura , ,Type= a/b , , sow @ 70ºF , 15-30d ,
Gazania hybrida , , ,Type= a/p , , sow at 60 to 65ºF in the dark, grow cool , 8-21d
Gazania krebsiana , , ,Type= a/p , , sow at 60 to 65ºF in the dark, grow cool , 8-21d ,
Gazania liechtensteinii , , ,Type= an , , sow at 60 to 65ºF in the dark, grow cool , 8-21d ,
Gazania linearis , treasureflower , ,Type= an , , sow at 60 to 65ºF in the dark, grow cool , 8-21d
Gentiana crinata, fringed gentian, , Type=bi, , sow @ 70ºF, 7-14d
Gentiana tenuifolia , , ,Type= a/p , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 10-21d ,
Gentianella campestris , , ,Type= bi , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Gentianella germanica , , ,Type= bi , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Gentianella utriculosa , , ,Type= bi , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Gentianopsis crinita , greater fringedgentian , ,Type= a/b , , surface sow outdoors, thin out seedlings , 21-30d , resents root disturbance
Gentianopsis thermalis , Rocky mountain fringedgentian , ,Type= an , , surface sow outdoors, thin out seedlings , 21-30d , resents root disturbance
Geraea canescens, desert sunflower, Encelia eriocephala, Type=an, direct sow outdoors in Apr., thin to 9"
Geranium columbinum , long-stalked cranesbill , ,Type= an , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Geranium dissectum , wrinkle-seeded cranesbill , ,Type= an , , direct sow outdoors, or sow @ 70ºF , 30-400d , invasive weed
Geranium lucidum , shining geranium , ,Type= an , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Geranium maderense , , ,Type= a/p , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Geranium molle , dovefoot geranium , ,Type= an , , direct sow outdoors, or sow @ 70ºF , 30-400d , invasive weed
Geranium pusillum , small geranium , ,Type= an , , direct sow outdoors, or sow @ 70ºF , 30-400d ,
Geranium robertianum , herb robert , Robertiella robertianum,Type= a/b , , direct sow outdoors, or sow @ 70ºF , 30-400d , invasive weed
Gerardia purpurea,, Agalinis purpurea, Type=an, sow @ 55 to 60ºF in the greenhouse in Feb.
Gerbera jamesonii , Transvaal daisy , ,Type= a/p , , surface sow @ 75ºF in light , 7-14d , stick seed vertically into the media
Gilia achilleifolia , California gilia , G. chamissonis,Type= an , , sow @ 70ºF, or direct sow , 15-21d ,
Gilia capitata , bluehead gilia , ,Type= an , , sow @ 70ºF, or direct sow , 15-21d ,
Gilia latiflora v davyi , hollyleaf gilia , ,Type= an , , sow @ 70ºF, or direct sow , 15-21d ,
Gilia leptantha , fineflower gilia , ,Type= an , , sow @ 70ºF, or direct sow , 15-21d
Gilia thurberi , El Paso skyrocket , Ipomopsis thurberi ,Type= an , , sow @ 70ºF, or direct sow , 15-21d ,
Gilia tricolor , bird's eye , ,Type= an , , sow @ 70ºF, or direct sow , 15-21d
Githopsis specularioides,,, Type=an, direct sow outdoors in Mar., thin to 3"
Glaucium corniculatum , blackspot hornpoppy , G. phoeniceum, G. rubrum,Type= bi , , sow @ 60 to 65ºF in the dark, or direct sow , 14-21d ,
Glaucium flavum , yellow hornpoppy , G. luteum, G. fulvum,Type= bi , , sow @ 60 to 65ºF in the dark, or direct sow , 14-21d
Gnaphalium decurrens, clammy everlasting,, Type=a/b, direct sow outdoors in Mar., thin to 9"
Godetia whitneyi , farewell to spring , Clarkia amoena ssp. whitneyi , G. grandiflora,Type= an , , sow @ 70ºF , 7-14d
Gomphrena canescens , , ,Type= a/p , , sow in light @ 70 to 75ºF , 7-14d , do not store seed below 60ºF
Gomphrena decumbens , arrasa con todo , G. serrata ,Type= an , , sow in light @ 70 to 75ºF , 7-14d , do not store seed below 60ºF
Gomphrena dispersa , arrasa con todo , ,Type= an , , sow in light @ 70 to 75ºF , 7-14d , do not store seed below 60ºF
Gomphrena globosa , globe amaranth , ,Type= an , , sow in light @ 70 to 75ºF , 7-14d , do not store seed below 60ºF
Gomphrena haageana , Rio Grande globe amaranth , G. aurantiaca,Type= an , , sow in light @ 70 to 75ºF , 7-14d , do not store seed below 60ºF
Gossypium herbaceum , Levant cotton , ,Type= a/p , , sow @ 70ºF , 7-14d
Gossypium hirsutum , cotton , ,Type= a/p , , sow @ 70ºF , 7-14d
Grammanthes dichotoma,, G. gentianoides, Type=hha, surface sow @ 65 to 70ºF
Gratiola aurea, golden hedge hyssop,, Type=an, direct sow outdoors in Mar., thin to 6"
Grindelia lanceolata, gum plant,, Type=bi, direct sow outdoors in May, thin to 24"
Gynandropsis pentaphylla, cat's whiskers,, Type=an, sow @ 65 to 70ºF, 5-10d
Gypsophila elegans , baby's breath , ,Type= an , , sow @ 70ºF , 7-18d ,
Gypsophila muralis , low babysbreath , ,Type= an , , sow @ 70ºF , 7-18d ,
Haplopappus rehderii , , ,Type= a/p , , sow @ 70ºF , 7-30d
Hebenstreitia comosa,,, Type=a/p, sow @ 65 to 70ºF, 5-10d
Hedeoma hispida, mock pennyroyal, , type=an, , sow in light @ 70ºF, 7-14d
Hedeoma pulegioides , American pennyroyal , ,Type= an , , sow in light @ 70ºF , 7-14d
Hedysarum coronarium, French honeysuckle,, Type=bi, direct sow outdoors in May, thin to 18"
Helenium tenuifolium,,, Type=an, direct sow outdoors in Mar., 21d, thin to 6"
Helianthus angustifolius , swamp sunflower , ,Type= bip , , sow @ 70ºF , 7-14d ,
Helianthus annuus , sunflower , H. lenticularis,Type= an , , sow @ 70ºF , 7-14d ,
Helianthus argophyllus , silverleaf sunflower , ,Type= an , , sow @ 70ºF , 7-14d
Helianthus debilis , cucumberleaf sunflower , H. cucumerifolius,Type= an , , sow @ 70ºF , 7-14d
Helichrysum bracteatum , strawflower , H. macranthum,Type= an , , surface sow @ 75ºF in light, grow on @ 65ºF , 7-14d
Helichrysum foetidum , stinking strawflower , Gnaphalium foetidum,Type= bi , , surface sow @ 75ºF in light, grow on @ 65ºF , 7-14d
Helichrysum lindleyii , , ,Type= an , , surface sow @ 75ºF in light, grow on @ 65ºF , 7-14d ,
Helichrysum subulifolium , , ,Type= an , , surface sow @ 75ºF in light, grow on @ 65ºF , 7-14d
Heliophila coronopifolia , , ,Type= an , , sow @ 60 to 65ºF , 14-21d ,
Heliophila longifolia , , ,Type= an , , sow @ 60 to 65ºF , 14-21d ,
Heliophila rigidiuscula , , ,Type= an , , sow @ 60 to 65ºF , 14-21d ,
Heliotropium arborescens , cherry pie plant , H. peruvianum,Type= a/p , , sow @ 70ºF , 7-14d
Heliotropium indicum , Indian heliotrope , ,Type= an , , sow @ 70ºF , 7-14d ,
Helipterum muelleri , immortelle, ,Type= an , , sow @ 72ºF , 7-14d
Helipterum roseum , acroclinium , Acroclinium roseum, Roccardia rosea,Type= an , , sow @ 72ºF , 14-20d
Heracleum mantegazzianum , giant hogweed , ,Type= bip , , sow @ 70ºF , 7-14d , invasive weed
Herniaria glabra , smooth herniary , ,Type= a/p , , sow @ 70ºF under very thin cover , 7-14d
Herpetospermum grandiflorum,,, Type=hha, sow @ 75 to 80ºF, 5-10d
Hesperis matronalis , dame's rocket , H. nivea,Type= bi , , sow in light @ 70ºF, lower temps at night , 14-28d , weedy
Heterospermum pinnatum,,, Type=hha, sow @ 60 to 65ºF, poor dry soils
Heterotheca subaxillaris , telegraph plant , H. latifolia ,Type= a/b , , sow @ 70ºF , 3-10d
Hibiscus acetosella , African rosemallow , ,Type= a/p , scratch + soak , sow @ 75 to 80ºF , 15-30d
Hibiscus cannabinus , brown indianhemp , ,Type= hha , scratch + soak , sow @ 75 to 80ºF , 15-30d
Hibiscus sabdariffa , roselle , H. rosella,Type= a/p , scratch + soak , sow @ 75 to 80ºF , 15-30d
Hibiscus trionum , flower-of-an-hour , H. africanus, H. vesicarius,Type= a/b , scratch + soak , sow @ 75 to 80ºF , 15-30d
Hippocrepis multisiliquosa, horseshoe vetch,, Type=an, direct sow outdoors in Sept., thin to 3"
Hordeum californicum , , ,Type= an , , sow @ 70ºF , 7-14d
Hordeum jubatum , squirrel's tail grass , ,Type= a/p , , sow @ 70ºF , 7-14d
Hordeum vulgare , barley , ,Type= an , , sow @ 70ºF , 7-14d
Houstonia minima,,, Type=an, direct sow outdoors in Mar., do not thin
Humea elegans,,, Type=bi, sow in coldframe in July, overwinter in the greenhouse @ 50 to 55ºF, set out in June 36" apart
Humulus japonicus, hop,, Type=a/p, sow @ 60 to 65ºF, 7-14d
Hunnemannia fumariifolia , Mexican tulip poppy , ,Type= a/p , , sow @ 70 to 75ºF , 15-20d
Hutchinsia stylosa,, Iberis stylosa, Type=a/b, direct sow outdoors in May, thin to 3"
Hydrophyllum appendiculatum, water leaf,, Type=bi, direct sow outdoors in May, thin to 6"
Hymenopappus carolinensis,, H. scabiosaeus, Type=bi, direct sow outdoors in May, thin to 9"
Hyoscyamus albus , white henbane , ,Type= a/b , , direct sow outdoors , 14-40d
Hyoscyamus niger , henbane , ,Type= a/b , , direct sow outdoors , 14-40d
Hypecoum grandiflorum,,, Type=an, direct sow outdoors in Mar., 21d, thin to 6"
Hypericum japonicum , , ,Type= an , , sow @ 70ºF, if no germ. give 4wks @ 39ºF , 10-21d
Hypoestes phyllostachya , polka dot plant , ,Type= a/p , , sow @ 72ºF , 7-14d ,
Iberis amara , annual candytuft , I. coronaria,Type= an , , sow @ 68 to 85ºF, erratic germ. , 10-30d
Iberis umbellata , globe candytuft , ,Type= an , , sow @ 68 to 85ºF, erratic germ. , 10-30d
Ibicella lutea , yellow unicornplant , Proboscidea lutea, Martynia lutea,Type= an , peel off coats , sow in darkness @ 70ºF , 7-14d
Impatiens balfourii , Balfour's touch-me-not , ,Type= a/p , , direct sow fresh seed outdoors , 180-400d ,
Impatiens balsamina , garden balsam , ,Type= hha , , sow @ 70ºF under thin cover , 8-10d , grow on @ 60ºF
Impatiens biflora , jewelweed , I. fulva,Type= an , , surface sow @ 39ºF, move to room temp after 90 days , 7-20d ,
Impatiens glanduligera , ornamental jewelweed , I roylei,Type= an , , direct sow fresh seed outdoors , 180-400d , invasive weed
Impatiens noli-tangere , Western touch-me-not , ,Type= an , , direct sow fresh seed outdoors , 180-400d ,
Impatiens walleriana , buzzy lizzy , ,Type= a/p , , surface sow in warm light @ 77ºF, grow on @ 65ºF , 7-20d
Incarvillea sinensis , , ,Type= a/p , , sow @ 60ºF , 10-20d
Indigofera hirsuta , roughhairy indigo , ,Type= a/b , nick or grind , sow @ 70ºF , 3-10d
Indigofera linifolia , , ,Type= a/p , nick or grind , sow @ 70ºF , 3-10d ,
Indigofera suffruticosa , anil de pasto , ,Type= a/p , nick or grind , sow @ 70ºF , 3-10d
Inula bifrons,,, Type=bi, direct sow outdoors in May, thin to 6"
Ionopsidium acaule , false diamondflower , Cochlearia acaulis,Type= an , , direct sow when soil temp reaches 60ºF , 14-21d
Ipomoea alba , moonflower , ,Type= an , nick + soak 2/n , sow @ 70ºF , 7-14d ,
Ipomoea coccinea , red morning glory , ,Type= an , , sow @ 70ºF , 7-14d ,
Ipomoea lobata , Spanish flag , Quamoclit lobata ,Type= a/p , , sow @ 70ºF , 7-14d ,
Ipomoea quamoclit , cypress vine , ,Type= an , , sow @ 70ºF , 7-14d ,
Ipomoea tricolor , morning glory , ,Type= a/p , soak overnite , sow @ 65 to 70ºF , 7-14d , resents transplanting
Ipomopsis aggregata , skyrocket gilia , ,Type= bi , , sow @ 70ºF daytime, 60ºF at night , 7-14d
Ipomopsis longiflora , flaxflowered gilia , ,Type= an , , sow @ 70ºF daytime, 60ºF at night , 7-14d
Ipomopsis rubra , standing cypress , ,Type= a/p , , sow @ 70ºF daytime, 60ºF at night , 7-14d ,
Ipomopsis spicata , spiked gilia , ,Type= bi , , sow @ 70ºF daytime, 60ºF at night , 7-14d ,
Isatis tinctoria , woad , ,Type= bi , , direct sow when soil temp reaches 50ºF , 14-40d ,
Isotoma hypocrateriformis , , ,Type= an , , sow in light @ 70ºF , 7-14d
Jacquemontia tamnifolia,,, Type=hha, sow @ 60 to 65ºF, thin to 9"
Jasione heldreichii , , ,Type= bip , , sow @ 70ºF , 7-21d
Jasione montana , sheepbit , ,Type= a/b , , sow @ 70ºF , 7-21d
Kalanchoe tomentosa , panda plant , ,Type= a/b , , sow in light @ 70ºF , 14-30d ,
Kallstroemia grandiflora , Arizona poppy , ,Type= an , , sow @ 60 to 65ºF , 14-21d
Kickxia spuria,, Linaria spuria, Type=an, direct sow outdoors in Mar., 21d, thin to 6"
Klugia notoniana,,, Type=an, sow @ 70 to 75ºF, raise in moist atmosphere
Knautia saragavensis , , ,Type= an , , sow in light @ 70ºF , 7-14d ,
Kochia scoparia , burning bush , ,Type= an , , surface sow in light @ 68ºF , 7-14d
Krigia virginica, dwarf dandelion, Cynthia virginica, Type=an, direct sow outdoors in Mar., thin to 4"
Lablab purpureus , hyacinth bean vine , Dolichos lablab ,Type= an , soak o/n , sow @ 70ºF , 7-30d , germ. can be erratic
Lactuca canadensis, tall wild lettuce, , type=a/b, , sow 90d @ 39ºF, move to 70ºF in light for germ., 7-14d
Lactuca ludoviciana, wild lettuce, , type=bi, , sow 90d @ 39ºF, move to 70ºF in light for germ., 7-14d
Lactuca saligna , willow lettuce , ,Type= a/b , , surface sow @ 70ºF in light , 7-14d ,
Lactuca sativa , lettuce , ,Type= a/b , , surface sow @ 70ºF in light , 7-14d ,
Lactuca serriola , prickly lettuce , L. scariola ,Type= a/b , , surface sow @ 70ºF in light , 7-14d ,
Lactuca virosa , bitter lettuce , ,Type= bi , , surface sow @ 70ºF in light , 7-14d , invasive weed
Lagenaria siceraria, bottle gourd, L. vulgaris, L. leucantha, Type=an, sow @ 75 to 80ºF, 4-8d, grow on @ 65 to 70ºF
Lagerstroemia indica , crepe myrtle , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Lagurus ovatus , hare's tail grass , ,Type= an , , sow @ 70ºF , 7-14d
Lallemantia canescens,, Dracocephalum canescens, Type=bi, direct sow outdoors in Mar., thin to 6"
Langloisia setosissima,,, Type=an, direct sow outdoors in Mar., thin to 3"
Lantana camara , lantana , ,Type= a/p , , sow @ 75ºF , 50-120d
Lasthenia chrysostoma , California goldfields , Chrysostoma californica ,Type= an , , direct sow, thin to 4" , 15-25d
Lasthenia glabrata , yellowray goldfields , ,Type= an , , direct sow, thin to 4" , 15-25d ,
Lathyrus angulatus , angled peavine , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus annuus , , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus aphaca , yellow peavine , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d
Lathyrus chloranthus , , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus clymenum , , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus hierosolymitanus , , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus hirsutus , singletary peavine , ,Type= a/p , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus nissolia , peavine , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Lathyrus ochrus , , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d
Lathyrus odoratus , sweetpea peavine , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d
Lathyrus sativus , white peavine , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d
Lathyrus splendens , sweet pea , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d
Lathyrus tingitanus , Tangier scarlet pea , ,Type= an , nick + soak 2/n , sow @ 70ºF in the dark , 10-20d ,
Laurentia axillaris , , ,Type= an , , sow @ 75ºF , 30-60d ,
Lavandula multifida , , ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 7-14d ,
Lavatera cachemiriana , , ,Type= a/p , , sow @ 70ºF , 15-20d ,
Lavatera trimestris , , L. rosea,Type= an , , sow @ 72ºF , 5-10d ,
Lawrencella davenportii , , ,Type= an , , sow @ 65 to 75ºF , 21-30d ,
Layia elegans , tidy tips , ,Type= an , , sow @ 70 to 75ºF , 8-30d ,
Layia glandulosa , whitedaisy tidytips , ,Type= an , , sow @ 70 to 75ºF , 8-30d ,
Layia platyglossa , coastal tidytips , Callichroa platyglossa,Type= an , , sow @ 70 to 75ºF , 8-30d
Leavenworthia michauxii,, L. aurea, Type=an, direct sow outdoors in Mar., thin to 3"
Legousia speculum-veneris , European venus' lookingglass , ,Type= an , , sow in light @ 70ºF , 5-10d ,
Leonotis nepetiifolia , Christmas candlestick , ,Type= an , , sow @ 70ºF , 7-14d ,
Leonurus artemisia , honeyweed , L. sibiricus ,Type= an , , sow @ 70ºF , 7-14d
Lepidium campestre , field cress , ,Type= a/b , , sow @ 70ºF , 5-14d ,
Lepidium fremontii , desert pepperweed , ,Type= an , , sow @ 70ºF , 5-14d ,
Lepidium menziesii , Menzie's pepperweed , ,Type= an , , sow @ 70ºF , 5-14d ,
Lepidium ruderale , fetid peppergrass , ,Type= an , , sow @ 70ºF , 5-14d ,
Lepidium sativum , garden cress , ,Type= an , , sow @ 70ºF , 5-14d ,
Leptosiphon hybridum , , ,Type= an , , sow @ 55 to 65ºF , 15-21d ,
Lespedeza stipulacea , Korean bush clover , ,Type= an , nick or grind , sow @ 70ºF , 5-20d ,
Lesquerella gordonii , Gordon's bladderpod , ,Type= an , , sow @ 70ºF , 5-20d ,
Lesquerella wardii , Ward's bladderpod , ,Type= an , , sow @ 70ºF , 5-20d
Lessingia leptoclada,,, Type=an, direct sow outdoors in Mar., thin to 6"
Leucheria senecioides,,, Type=an, sow @ 60 to 65ºF, thin to 6"
Limnanthes douglasii , poached egg plant, meadow foam ,Type= an , , sow @ 70ºF , 14-21d
Limonium aureum , , ,Type= a/p , , sow in darkness @ 65 to 70ºF , 10-21d ,
Limonium sinuatum , wavyleaf sealavender , Statice sinuata,Type= an , , sow in darkness @ 65 to 70ºF , 10-21d
Linanthus floribundus , manyflower deserttrumpets , ,Type= an , , direct sow outdoors , 15-21d ,
Linanthus grandiflorus , largeflower deserttrumpets , ,Type= an , , direct sow outdoors , 15-21d
Linaria amethystea , , ,Type= an , , sow @ 60ºF , 7-14d ,
Linaria canadensis, blue toadflax, , Type=a/b, , sow @ 60ºF, 7-14d
Linaria maroccana , Moroccan toadflax , ,Type= an , , sow @ 60ºF , 7-14d ,
Linaria reticulata , purplenet toadflax , ,Type= an , , sow @ 60ºF , 7-14d
Lindheimera texana,,, Type=an, sow @ 60 to 65ºF, 7-14d
Linum grandiflorum , flax , ,Type= an , , sow @ 70ºF , 7-14d ,
Linum sulcatum, grooved flax, , Type=an, , sow @ 70ºF, 7-14d
Linum usitatissimum , common flax , ,Type= an , , direct sow outdoors, or sow @ 70ºF , variable
Loasa triphylla v volcanica , chile nettle, ,Type= an , , sow @ 70ºF , 7-30d ,
Lobelia erinus , edging lobelia , ,Type= a/p , , surface sow in light @ 70 to 80ºF , 7-14d , grow on @ 60ºF
Lobelia heterophylla , , ,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia inflata , Indian tobacco , ,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia rhombifolia , , ,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia rhytidosperma , , ,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia speciosa , lobelia , ,Type= a/p , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia spicata, pale lobelia, , Type=an, , surface sow @ 70ºF, 7-14d
Lobelia tenuior , , L. ramosa,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobelia valida , , ,Type= an , , surface sow @ 39ºF, after 90 days, move to 75ºF in light, grow on @ 65ºF , 7-14d ,
Lobularia maritima , alyssum , Alyssum maritimum, A. odoratum,Type= a/p , , surface sow @ 80ºF in light, grow on @ 50-55ºF , 7-14d
Lonas annua , , ,Type= an , , sow in light @ 70ºF , 5-10d
Lonas inodora, African daisy, Athanasia annua, Type=hha, sow @ 60 to 65ºF, 5-10d
Lopezia racemosa , pink brush , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Lotus tetragonolobus , winged pea , Tetragonolobus purpureus ,Type= an , , sow @ 70ºF , 7-14d
Luffa cylindrica, loofah, L. fabiana, L. veitchii, Type=an, sow @ 70 to 75ºF, 10-15d
Lunaria annua , honesty, moonwort, satin flower , L. biennis,Type= a/b , ,surface sow @ 70ºF in light , 7-14d , invasive weed
Lupinus albicaulis , sicklekeel lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d
Lupinus albus , white lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus angustifolius , narrowleaf lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus benthamii , spider lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus bicolor , bicolor lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus densiflorus v aureus , whitewhorl lupine , L. menziesii,Type= an , nick and soak , sow @ 60ºF , 15-30d
Lupinus hartwegii , Hartweg's bluebonnet , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus hirsutissimus , stinging annual lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d
Lupinus luteus , European yellow lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus nanus , sky lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus sparsiflorus , Mojave lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus subvexus , valley lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus succulentus , hollowleaf annual lupine , L. pubescens var. succulentus,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus texensis , Texas lupine , L. subcarnosus,Type= an , nick and soak , sow @ 60ºF , 15-30d ,
Lupinus truncatus , collared annual lupine , ,Type= an , nick and soak , sow @ 60ºF , 15-30d
Lychnis x arkwrightii , , ,Type= a/p , , surface sow @ 70ºF in light , 7-14d ,
Lychnis x haageana , , ,Type= a/p , , surface sow @ 70ºF in light , 7-14d
Lychnis coeli-rosa, rose of heaven, L. cardinalis, Coronaria coeli-rosa, Silene Coeli-rosa, Viscaria cardinalis, Agrostemma coeli-rosa, Type=an, sow @ 60 to 65ºF, 7-14d
Lychnis coronaria, mullein pink, rose campion, Agrostemma coronaria, Coronaria tomentosa, Type=bi, sow @ 60 to 65ºF, 7-14d
Lychnis miqueliana,,, Type=bi, sow @ 60 to 65ºF, 7-14d, from Japan
Lycopersicon esculentum , tomato , L. lycopersicum ,Type= an , , sow @ 73ºF , 7-14d
Machaeranthera bigelovii , Bigelow's tansyaster , Aster bigelovii ,Type= bip , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 7-14d ,
Machaeranthera tanacetifolia , tansyleaf aster , Aster tanacetifolia,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 7-14d ,
Madia elegans , tarweed , M. corymbosa, Madaria elegans,Type= an , , surface sow @ 39ºF for six weeks, then move to room temp. , 7-14d ,
Madia sativa , tarweed , ,Type= an , , surface sow @ 39ºF for six weeks, then move to room temp. , 7-14d
Malacothrix californica,,, Type=an, direct sow outdoors in Mar., thin to 4"
Malcomia maritima, Virginian stock,, Type=an, direct sow outdoors in Sept., thin to 3"
Malope trifida , , ,Type= an , , sow @ 39ºF, after 21 days, move to 65 to 75ºF , 14-30d ,
Malva neglecta , common malva , ,Type= an , , sow @ 70ºF , 7-14d , invasive weed
Malva verticillata v crispa , curled mallow , M. chinensis, M. pulchella,Type= a/b , , sow @ 70ºF , 7-14d
Malvastrum rotundifolium, false mallow,, Type=an, sow @ 65 to 70ºF
Manulea violacea,,, Type=an, sow @ 70 to 75ºF
Martynia annua,, Proboscidea annua, Craniolaria annua, Type=an, sow @ 65 to 70ºF, irregular 10-30d
Matricaria recutita , mayweed , ,Type= an , , sow in light @ 70ºF , 7-14d ,
Matthiola incana , evening stock , ,Type= bi , , sow @ 70ºF , 7-14d ,
Matthiola longipetala , night scented stock , ,Type= an , , sow @ 70ºF , 7-14d ,
Matthiola sinuata , , ,Type= bi , , sow @ 70ºF , 7-14d ,
Maurandya scandens , , M. semperflorens, Usteria scandens,Type= an , , sow in light @ 70ºF , 14-30d
Maurandya wislizenii , balloonbush , Epixiphium wislizeni ,Type= an , , sow in light @ 70ºF , 14-30d
Meconella linearis,,, Type=an, direct sow outdoors in Mar., thin to 3"
Meconopsis integrifolia, yellow chinese poppy, Cathcartia integrifolia, Type=bi, sow in shaded coldframe, grow on cool & shaded, set out in Sept.
Medicago lupulina , black medick , ,Type= an , , sow in darkness @ 70ºF , 7-14d , invasive weed
Medicago orbicularis , blackdisk medick , ,Type= an , , sow @ 70ºF , 7-14d ,
Medicago sativa , alfalfa , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Melampodium paludosum , , ,Type= an , , sow @ 65ºF , 7-14d
Melilotus officinalis , yellow sweet clover , ,Type= an , nick or grind , sow @ 70ºF , 7-14d
Melothria pendula,,, Type=a/p, sow @ 70 to 75ºF, 7-14d
Mentzelia laevicaulis , smoothstem blazingstar , ,Type= bi , , sow @ 55 to 60ºF , 7-21d
Mentzelia lindleyi , Lindley's blazingstar , M. aurea, Bartonia aurea,Type= an , , sow @ 55 to 60ºF , 7-21d
Mentzelia pumila , dwarf mentzelia , ,Type= an , , sow @ 55 to 60ºF , 7-21d
Mesembryanthemum criniflorum , ice plant , Dorotheanthus bellidiformis,Type= an , , sow in light @ 65ºF , 7-21d ,
Mesembryanthemum crystallinum , common iceplant , Cryophytum crystallinum,Type= an , , sow in light @ 65ºF , 7-21d
Mesembryanthemum occulatum , , ,Type= an , , sow in light @ 65ºF , 7-21d
Michauxia campanuloides,,, Type=bip, sow in coldframe in Apr., set out in Sept.
Mikania scandens , climbing boneset , ,Type= an , , sow @ 72ºF , 7-14d
Mimosa pudica, sensitive plant, Type=a/p, sow @ 65 to 70ºF, 5-10d
Mimulus brevipes , Bolander's monkeyflower , ,Type= an , , surface sow @ 65ºF in light, grow on @ 55-60ºF , 7-14d ,
Mimulus guttatus , seep monkeyflower , ,Type= a/b , , surface sow @ 65ºF in light, grow on @ 55-60ºF , 7-14d ,
Mimulus x hybridus , monkey flower , ,Type= an , , surface sow @ 65ºF in light, grow on @ 55-60ºF , 7-14d ,
Mirabilis jalapa , four o'clock , ,Type= a/p , , sow @ 72ºF , 7-14d
Misopates orontium , linearleaf snapdragon , ,Type= an , , sow in light @ 70ºF , 7-14d
Mohavea breviflora,,, Type=an, direct sow outdoors in Sept., thin to 4"
Molucella laevis , bells of Ireland , ,Type= an , , surface sow 2 wks @ 39ºF, germ. @ 68ºF in light , 10-20d
Momordica charantia , bitter melon , ,Type= an , , sow @ 70ºF , 7-14d ,
Momordica cochinchinensis , balsampear , ,Type= an , , sow @ 70ºF , 7-14d ,
Monarda citriodora , common lemon mint , ,Type= a/p , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 7-21d ,
Monarda didyma , bee balm , ,Type= a/p , , surface sow @ 60ºF in light , 7-14d ,
Monardella lanceolata , mustang mountainbalm , ,Type= an , , sow in light @ 70ºF , 14-30d
Monolopia major,,, Type=an, sow @ 60 to 65ºF
Monopsis campanulata,, Lobelia campanulata, Type=an, sow @ 55 to 60ºF, irregular, 10-40d
Monoptilon bellioides,,, Type=an, direct sow outdoors in Mar., thin to 4"
Montia perfoliata , miner's lettuce , Claytonia perfoliata ,Type= an , , sow @ 70ºF, if no germ. give 4 wks @ 39ºF , 7-21d , invasive weed
Moricandia arvensis , purple mistress , ,Type= an , , sow @ 70ºF , 3-21d
Moscharia pinnatifida,,, Type=hha, sow @ 60 to 65ºF
Myconella myconis,, Chrysanthemum myconis, Type=a/p, direct sow outdoors in Apr., 10-14d, thin to 6"
Myosotis arvensis , field forget-me-not , ,Type= a/b , , sow in darkness @ 65 to 70ºF , 14-30d , invasive weed
Myosotis dissitiflora , , ,Type= a/p , , sow in darkness @ 65 to 70ºF , 14-30d
Myosotis sylvatica, forget-me-not, M. alpina, M. oblongata, Type=bi, direct sow outdoors in May
Myriocephalus stuartii,, Polycalymma stuartii, Type=a/p, sow @ 60 to 65ºF, grow on @ 50 to 60ºF
2nd revision, 1/20/99